1. 
Which of the following is an example of parallel lines? > Shelves on a bookcase

2. 
How are parallel lines marked in figures? > Matching arrowheads are used to indicate parallel lines

3. 
Which of the following is NOT true? > Lines with undefined slopes can still be parallel

4. 
Which of the following is the equation of a line that is parallel to y = ½x + 3? > 4y – 2x = 8

5. 
When two parallel lines are cut by a transversal, which of the following are supplementary? > Consecutive interior angles

6. 
What is the term that best describes ∠1 and ∠7? > Vertical angles

7. 
What is the term that best describes ∠4 and ∠8? > Alternate exterior angles

8. 
Which of the following is true? > m∠2 = 180 – m∠5

9. 
If m∠1 = 3x + 7 and m∠8 = 10x – 9, what is the value of m∠4? > 131

10. 
If m∠4 = 11y – 2 and m∠6 = 8y + 13, what is the value of m∠3? > 127
